Wolfgang Stephan

Person

Boll, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Drive for valve operating control systems in motor vehicles, prefer...
- Patent number 7,484,486
- Issue date Feb 3, 2009
- Dr. Ing. h.c.F. Porsche Aktiengesellschaft
- Andreas Knecht
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device for relative rotational angle adjustment of a cam shaft of a...
- Patent number 6,742,484
- Issue date Jun 1, 2004
- Ing. h.c.F. Porsche AG
- Gerold Sluka
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Device for adjusting the angle of rotation of a camshaft of an inte...
- Patent number 6,679,208
- Issue date Jan 20, 2004
- Dr. Ing. h.c.F. Porsche Aktiengesellschaft
- Wolfgang Stephan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Camshaft for the operation of valves of an internal-combustion engine
- Patent number 6,666,179
- Issue date Dec 23, 2003
- Dr. Ing. h.c.F. Porsche AG
- Gerold Sluka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Hydraulic system for actuating at least two operating systems of a...
- Patent number 6,474,749
- Issue date Nov 5, 2002
- Hydraulik-Ring GmbH
- Alfred Trzmiel
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Device for adjusting the relative rotational background of camshafts
- Patent number 6,205,965
- Issue date Mar 27, 2001
- h.c.F. Porsche AG
- Wolfgang Stephan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Device for hydraulic rotational angle adjustment of a shaft relativ...
- Patent number 6,053,138
- Issue date Apr 25, 2000
- Hydraulik-Ring GmbH
- Alfred Trzmiel
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Device for supplying pressure medium and/or lubricant to a hydrauli...
- Patent number 6,053,137
- Issue date Apr 25, 2000
- Hydraulik Ring GmbH
- Alfred Trzmiel
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Actuator for a position-adjusting device, preferably for a valve li...
- Patent number 5,732,612
- Issue date Mar 31, 1998
- Hydraulik-Ring Antriebs- und Steuerungstechnik GmbH
- Katja Schienle
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Variable timing camshaft drive system
- Patent number 5,606,941
- Issue date Mar 4, 1997
- Dr. Ing. h.c.F. Porsche AG
- Alfred Trzmiel
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Apparatus for tensioning of a cam shaft drive
- Patent number 5,597,367
- Issue date Jan 28, 1997
- Hydraulik-Ring Antriebs- und Steuerungstechnik GmbH
- Alfred Trzmiel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Arrangement for the tensioning and adjusting of a camshaft chain drive
- Patent number 5,120,278
- Issue date Jun 9, 1992
- Dr. Ing. h.c.F. Porsche AG
- Alfred Trzmiel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Drive for valve operating control systems in motor vehicles, prefer...
- Publication number 20050066922
- Publication date Mar 31, 2005
- Andreas Knecht
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Device for adjusting the angle of rotation of a camshaft of an inte...
- Publication number 20030127065
- Publication date Jul 10, 2003
- Wolfgang Stephan
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Camshaft for the operation of valves of an internal-combustion engine
- Publication number 20020029651
- Publication date Mar 14, 2002
- Gerold Sluka
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Camshaft for the operation of valves of an internal-combustion engine
- Publication number 20020029754
- Publication date Mar 14, 2002
- Gerold Sluka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Hydraulic system for actuating at least two operating systems of a...
- Publication number 20010048245
- Publication date Dec 6, 2001
- Hydraulik-Ring GmbH
- Alfred Trzmiel
- B60 - VEHICLES IN GENERAL

Wolfgang Stephan

Person

Patents Grantslast 30 patents

Drive for valve operating control systems in motor vehicles, prefer...

Device for relative rotational angle adjustment of a cam shaft of a...

Device for adjusting the angle of rotation of a camshaft of an inte...

Camshaft for the operation of valves of an internal-combustion engine

Hydraulic system for actuating at least two operating systems of a...

Device for adjusting the relative rotational background of camshafts

Device for hydraulic rotational angle adjustment of a shaft relativ...

Device for supplying pressure medium and/or lubricant to a hydrauli...

Actuator for a position-adjusting device, preferably for a valve li...

Variable timing camshaft drive system

Apparatus for tensioning of a cam shaft drive

Arrangement for the tensioning and adjusting of a camshaft chain drive

Patents Applicationslast 30 patents

Drive for valve operating control systems in motor vehicles, prefer...

Device for adjusting the angle of rotation of a camshaft of an inte...

Camshaft for the operation of valves of an internal-combustion engine

Camshaft for the operation of valves of an internal-combustion engine

Hydraulic system for actuating at least two operating systems of a...